APA (7th ed.) Citation

Discovery Channel School. (2004). Sound (version 2.0.). Discovery Channel School.

Chicago Style (17th ed.) Citation

Discovery Channel School. Sound. version 2.0. s.l: Discovery Channel School, 2004.

MLA (9th ed.) Citation

Discovery Channel School. Sound. version 2.0. Discovery Channel School, 2004.

Warning: These citations may not always be 100% accurate.